/**
 * The contents of this file are subject to the OpenMRS Public License
 * Version 1.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://license.openmrs.org
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
 * License for the specific language governing rights and limitations
 * under the License.
 *
 * Copyright (C) OpenMRS, LLC.  All Rights Reserved.
 */
package org.openmrs.module.datalogging.handler.variable;


import java.util.Collections;
import java.util.Set;

import org.openmrs.Person;
import org.openmrs.module.datalogging.configuration.Variable;

/**
 *
 */
public class ConstantVariableHandler implements VariableHandler {
	
	/**
	 * @see org.openmrs.module.datalogging.handler.variable.VariableHandler#handle(Person, org.openmrs.module.datalogging.configuration.Variable, Object)
	 */
	@Override
	public Object handle(Person person, Variable variable, Object object) {
		return variable.getValueExpression();
	}

	/**
	 * @see org.openmrs.module.datalogging.handler.event.OpenmrsEventHandler#supportFilter(java.lang.String)
	 */
	@Override
    public boolean supportFilter(String filterName) {
	    return false;
    }

	/**
	 * @see org.openmrs.module.datalogging.handler.event.OpenmrsEventHandler#getSupportedFilters()
	 */
	@Override
    public Set<String> getSupportedFilters() {
	    return Collections.emptySet();
    }
	
}
